#遍历字典
#person_dict={"name":"小倩","stu_id":"202201","grade":"大二"}
#print(person_dict["name"])
#for i in person_dict.items():
#    print(i)

#函数的返回值
#def cal_digit(n):
 #   high=n//100
  #  mid=n//10%10
   # low=n%10
    #return high,mid,low
#result=cal_digit(543)
#print(result)
#a,b,c=cal_digit(543)
#print(a,b,c)


#打印三角形
#int
#print("* * * * *\n");
#print(" * * * *\n");
#print("  * * *\n");
#print("   * * \n");
#print("    * \n");